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Since 1986

Why West Marin homeowners trust John Owens Services

Trusted local plumbers and heating technicians serving Nicasio and nearby West Marin communities. We provide fast same-day service, fair pricing, and technicians who understand the unique challenges of coastal and older homes in Nicasio.

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Protecting Your Comfort in West Marin County

Living in West Marin comes with unique challenges. Salt air accelerates corrosion, older homes often have complex plumbing layouts, and narrow driveways or limited access require skilled, experienced technicians. Our team focuses on practical, long-lasting solutions for every home in West Marin. We arrive on time, explain every option clearly, and only perform work you approve.

  • Licensed and insured technicians

  • Emergency and same-day response when possible

  • Transparent pricing with free estimates

  • Experience with coastal and older-home plumbing in West Marin
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How our West Marin service visit works (3 easy steps)

Complete Plumbing, Heating & Cooling Services for West Marin County

From emergency repairs to new installations, we’re your trusted local experts for all heating, cooling, and plumbing needs in West Marin County.

Plumbing Services In West Marin

Homes in West Marin often face corroded pipes, leaky fixtures, and plumbing systems that need updates due to coastal salt air and aging infrastructure. Our plumbing team carefully inspects each issue and walks homeowners through their options before starting any work. From repairing hidden leaks behind walls to installing new sinks or toilets, we provide reliable, long-lasting plumbing solutions.

Typical jobs we handle here:

  • Leak detection and repair (hidden leaks under floors or behind walls)
  • Fixture replacement: sinks, showers, toilets, faucets
  • Pipe repair and repiping (copper, PEX, and modern alternatives that hold up to coastal conditions)
  • Winterizing & freeze protection for outdoor lines and irrigation
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Drain Cleaning & Clog Removal In West Marin

Clogs are a common and disruptive issue in older coastal homes. Tree roots, grease buildup, and moisture often cause recurring problems. We use mechanical snaking, hydro-jetting, and preventive maintenance strategies to ensure your drains flow freely and efficiently.

Our drain services include:

  • Kitchen and bathroom drain cleaning
  • Hydro-jetting for tough blockages
  • Root intrusion removal in older sewer lines
  • Preventive maintenance to avoid future clogs
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Heating Repair & Maintenance In West Marin

Heating systems in coastal homes often face extra strain due to salt air and older equipment. Our technicians provide thorough inspections, seasonal tune-ups, and safety checks to ensure your system runs reliably and efficiently. We troubleshoot pilot lights, calibrate thermostats, and provide energy-saving recommendations to keep your home comfortable year-round.

Our heating services include:

  • Seasonal tune-ups and safety checks
  • Pilot light and ignition troubleshooting
  • Thermostat calibration and controls upgrades
  • Energy-efficiency recommendations to reduce bills
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Radiant Boiler Service & Repair In West Marin

Older boilers are common in West Marin homes and require specialized attention. Our team performs full system inspections, safety valve checks, and combustion analysis to ensure your boiler is safe and efficient. We also handle emergency repairs to restore heat quickly when needed.

Boiler services we offer:

  • Annual safety inspection and combustion analysis
  • Leak detection and pressure/flow troubleshooting
  • Parts replacement and efficiency upgrades
  • Emergency boiler repairs to restore heat quickly
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Water Heater Service & Replacement In West Marin

Hot water problems can disrupt daily life. We service both tank and tankless water heaters, providing diagnostics, repairs, and full replacements. Our technicians also advise homeowners on energy-efficient options built for coastal conditions and help you choose the best solution for your property.

Our water-heater services include:

  • Fast diagnostics and pressure/temperature checks
  • Repair of valves, thermostats, and heating elements
  • Tankless system cleaning and maintenance
  • Full replacement with energy-efficient options suited to coastal conditions
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  • More than 87% of our same-day customers get their problem fixed in under 3 hours.

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Coupons For Our West Marin County Customers

$200 - off install

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 $200

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$200 off any install or $50 off any repair - Veteran Discount

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$200 off any install or $50 off any repair - Senior Discount

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 $200

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$35 - Off Repair

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 $35

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Professional HVAC & Plumbing Services In West Marin County And More Areas!

At John Owens Services, we proudly serve homes and businesses across Sonoma and Marin Counties, including Muir Beach, Stinson Beach, Petaluma, Santa Rosa, Mill Valley, Novato, Point Reyes Station, and many more communities. No matter where you are in the area, our professional HVAC and plumbing technicians are ready to provide fast, reliable, and friendly service. We know these communities, we know the homes, and we’re committed to keeping your systems running smoothly throughout the year.

Areas We Serve

Sonoma County

Marin County

Marin County Cont.

Frequently Asked Questions

Get quick answers to common questions about our AC services

Yes. Call us or schedule a booking and we’ll dispatch a technician the same day when possible.

 

Our diagnostic fee starts at $67, and we’re happy to offer free estimates for any new installation or replacement needs.

Yes. We repair or replace old piping using materials suited for coastal homes (copper or PEX), and we provide a clear estimate before work starts.

 

Avoid pouring grease down the sink, use hair catchers in showers, and schedule a camera inspection if clogs recur, we’ll identify root causes and permanent fixes.